National Aluminium Co. Ltd. (NALCO) and Hindalco Industries Ltd. have hiked prices after cutting them last month.

The state-run NALCO has increased prices by as much as Rs4,000 or 3% to Rs132,000 per ton. Hindalco has raised prices by the same amount.

The price of aluminium climbed to the highest in more than six months on Dec. 14 as global inventories declined. Aluminium stockpiles, tracked by the London Metal Exchange (LME) has dropped 13% since the end of June.

Meanwhile, Hindustan Zinc Ltd., India's largest zinc producer on Dec. 16, cut prices of the non-ferrous metal and lead by 0.4% and 0.2%, respectively.